SB20251015132 - Buffer overflow in Linux kernel net can driver
Published: October 15, 2025
Security Bulletin ID
SB20251015132
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-39986)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the function in drivers/net/can/sun4i_can.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/063539db42203b29d5aa2adf0cae3d68c646a6b6
- https://git.kernel.org/stable/c/2e423e1990f3972cbea779883fef52c2f2acb858
- https://git.kernel.org/stable/c/4f382cc887adca8478b9d3e6b81aa6698a95fff4
- https://git.kernel.org/stable/c/60463a1c138900494cb3adae41142a11cd8feb3c
- https://git.kernel.org/stable/c/61da0bd4102c459823fbe6b8b43b01fb6ace4a22
- https://git.kernel.org/stable/c/7f7b21026a6febdb749f6f6f950427245aa86cce
- https://git.kernel.org/stable/c/a61ff7ac93270d20ca426c027d6d01c8ac8e904c
- https://git.kernel.org/stable/c/de77841652e57afbc46e9e1dbf51ee364fc008e1